SATO CL 408e - Manual (Page 117)

Page 6-17
Section 6. Replacement Procedures
SATO CL408e/CL412e Service Manual PN 9001078
Rev. B
6.8 Replacing the Platen
Before removing and replacing the platen, timing belts A & B must first be removed from
pulleys, but do not need to be fully removed from the carbon rewind shaft gear.
STEP PROCEDURE
1. Switch the printer OFF and disconnect the power cable.
2. Raise the top access door and open the front access door. Remove the ribbon
and label stock if installed. Fig. 6-14
3. Remove tension from Belt "B" by loosening (4) stepper motor mounting screws.
Move the motor up in the bracket so belt slides from the motor shaft. Remove
the belt. Fig. 6-19
4. Remove the E-Ring from the end of the platen shaft and remove the gears from
the shaft. Fig. 6-20
5. Remove the screw holding the clamp and platen components to the side frame.
Fig. 6-21
6. Tilt the platen up and pull away from the frame. Separate the platen and
planten components for replacing.
7. Install the bushing to the new platen. Fig. 6-21
8. Insert the platen through the frame. Guide the flats on the bushing into the
cutout on the side frame. Fig. 6-21
9. Attach the clamp to the side frame with the screw.
10. Reassemble the gears to the platen and replace the E-ring. Figs. 6-20 — 6-22
11. Reattach the belts.
12. Check belt tension and adjust as necessary per Section 5.8.
13. Replace the cover and reconnect the power cable.